public class Student {
private String id;
private String name;
private int age;
private double score;
public Student() {
}
public Student(String id, String name,int age, double score) {
            this.id = id;
            this.name = name;
            this.age = age;
            this.score = score;
            }
            public String getId() {
            return id;
            }
            public void setId(String id) {
            this.id = id;
            }
            public String getName() {
            return name;
            }
            public void setName(String name) {
            this.name = name;
            }
            public int getAge() {
            return age;
            }
            public void setAge(int age) {
            this.age = age;
            }
            public double getScore() {
            return score;
            }
            public void setScore(double score){
                this.score = score;
            }
            @Override
            public String toString() {
            return "Student{" +
            "id='" + id + '\'' +
            ", name='" + name + '\'' +
            ", age=" + age +
            ", score=" + score +
            '}';
}
}